Double-click on Killbox.exe to run it. Now put a tick by Standard File Kill. In the "Full Path of File to Delete" box, copy and paste the following line, then click on the X button after you enter the file. It will ask for confimation to delete the file. Click Yes.

C:\WINDOWS\scvhost.exe

Reboot into normal mode

Download AVG Anti-Spyware http://www.ewido.net/en/download/
· Install and run
· Click Scanner
· select the "Settings" tab.
· Once in the Settings screen click on "Recommended actions" and then select "Delete".
· Select "Automatically generate report after every scan"
· UnSelect "Only if threats were found"
· Click Complete System Scan and the scan will begin.
· When the scan is finished, Set all items to delete
· Click Apply all actions
· Click the Save report button.
· Save the report to your C: Drive
Reboot
Post that log and a new HiJack log